those online ppr 3 bio

[rockincrew]

i want to know the hardest topic in bio 4 everyone
can you post ur hardest topic
we then can know really what is the most difficult one

 

[rockincrew]

mine is ecology

 

[xIshtar]

Definitely the whole micro organism topic

 

[basimnazir]

Menstrual cycle

 

[Dooouuu]

menstrual cycle / eye / ecology

 

[Natashakhan]

micro organism tpc..!!!
nd one doubt..wat is the role of bacteria in gentic engeenirng..??

 

[AhmedNES]

Ahmad what is natural selection

 

[rockincrew]

Ahmad what is natural selection

it is same survival of fittest
eg if there are pale moth and dark moth and both live in pale trees predators can find dark easily and attack
so less will be found and more pale are there (nature selected pale)
hope i helped

 

[TheDealer]

@Natasha
Plasmids are removed from bacterial cell and are cut using Restriction Endonuclease enzyme. After being inserted with human insulin gene, it is allowed to reproduce in fermenters.
Good Luck